forked from OSchip/llvm-project
54 lines
1.9 KiB
MLIR
54 lines
1.9 KiB
MLIR
// RUN: mlir-cpu-runner %s | FileCheck %s
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// RUN: mlir-cpu-runner %s -e foo | FileCheck -check-prefix=NOMAIN %s
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// RUN: mlir-cpu-runner %s -O3 | FileCheck %s
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// RUN: cp %s %t
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// RUN: mlir-cpu-runner %t -dump-object-file | FileCheck %t
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// RUN: ls %t.o
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// RUN: rm %t.o
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// RUN: mlir-cpu-runner %s -dump-object-file -object-filename=%T/test.o | FileCheck %s
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// RUN: ls %T/test.o
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// RUN: rm %T/test.o
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// Declarations of C library functions.
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llvm.func @fabsf(!llvm.float) -> !llvm.float
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llvm.func @malloc(!llvm.i64) -> !llvm<"i8*">
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llvm.func @free(!llvm<"i8*">)
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// Check that a simple function with a nested call works.
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llvm.func @main() -> !llvm.float {
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%0 = llvm.mlir.constant(-4.200000e+02 : f32) : !llvm.float
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%1 = llvm.call @fabsf(%0) : (!llvm.float) -> !llvm.float
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llvm.return %1 : !llvm.float
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}
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// CHECK: 4.200000e+02
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// Helper typed functions wrapping calls to "malloc" and "free".
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llvm.func @allocation() -> !llvm<"float*"> {
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%0 = llvm.mlir.constant(4 : index) : !llvm.i64
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%1 = llvm.call @malloc(%0) : (!llvm.i64) -> !llvm<"i8*">
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%2 = llvm.bitcast %1 : !llvm<"i8*"> to !llvm<"float*">
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llvm.return %2 : !llvm<"float*">
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}
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llvm.func @deallocation(%arg0: !llvm<"float*">) {
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%0 = llvm.bitcast %arg0 : !llvm<"float*"> to !llvm<"i8*">
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llvm.call @free(%0) : (!llvm<"i8*">) -> ()
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llvm.return
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}
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// Check that allocation and deallocation works, and that a custom entry point
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// works.
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llvm.func @foo() -> !llvm.float {
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%0 = llvm.call @allocation() : () -> !llvm<"float*">
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%1 = llvm.mlir.constant(0 : index) : !llvm.i64
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%2 = llvm.mlir.constant(1.234000e+03 : f32) : !llvm.float
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%3 = llvm.getelementptr %0[%1] : (!llvm<"float*">, !llvm.i64) -> !llvm<"float*">
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llvm.store %2, %3 : !llvm<"float*">
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%4 = llvm.getelementptr %0[%1] : (!llvm<"float*">, !llvm.i64) -> !llvm<"float*">
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%5 = llvm.load %4 : !llvm<"float*">
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llvm.call @deallocation(%0) : (!llvm<"float*">) -> ()
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llvm.return %5 : !llvm.float
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}
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// NOMAIN: 1.234000e+03
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